11203103142423 has 12 divisors (see below), whose sum is σ = 16183998187968. Its totient is φ = 7467933231360.

The previous prime is 11203103142401. The next prime is 11203103142487. The reversal of 11203103142423 is 32424130130211.

11203103142423 is a `hidden beast` number, since 1 + 1 + 203 + 1 + 0 + 31 + 4 + 2 + 423 = 666.

It is not a de Polignac number, because 11203103142423 - 2⁸ = 11203103142167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203103142323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66761290 + ... + 66928887.

It is an arithmetic number, because the mean of its divisors is an integer number (1348666515664).

Almost surely, 2^{11203103142423} is an apocalyptic number.

11203103142423 is a deficient number, since it is larger than the sum of its proper divisors (4980895045545).

11203103142423 is a wasteful number, since it uses less digits than its factorization.

11203103142423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133699494 (or 133699491 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 11203103142423 its reverse (32424130130211), we get a palindrome (43627233272634).

The spelling of 11203103142423 in words is "eleven trillion, two hundred three billion, one hundred three million, one hundred forty-two thousand, four hundred twenty-three".